3DIO Free Space Pro II - ASMR 3D Binaural Microphone

Item: 3DIO Free Space Pro II Binaural 3D A
Author: THINK2

3DIO Free Space Pro II | Professional Binaural Microphone, Capturing Ultimate Immersive 3D Soundscapes

Flagship Binaural Head Microphone with DPA 4060 Microphone Capsules

The 3DIO Free Space Pro II is 3DIO Sound's flagship binaural recording microphone, featuring a pair of professionally matched DPA 4060 CORE+ high-sensitivity condenser microphone capsules, offering a wide frequency response from 20 Hz to 20 kHz and a dynamic range of up to 111 dB. This professional ASMR microphone is designed to capture the most authentic and immersive 3D audio, with its built-in DPA 4060 microphone capsules precisely replicating the spatial and directional perception of human hearing, providing unparalleled sound quality for film and video sound design, VR/AR content, and high-end ASMR production.

Compared to traditional stereo recording techniques, the Free Space Pro II, through its prosthetic ears design mimicking human ear structures, naturally processes incoming sound waves, generating crucial directional cues that the brain uses to localize sound. Compared to similarly priced stereo microphone setups, the 3DIO Free Space Pro II's advantage lies in its integrated design, which can immediately capture immersive binaural audio ready for use without post-production mixing, significantly streamlining the production workflow.

Quick Facts

Brand:3DIO Sound
Model:Free Space Pro II
Microphone Capsules:A pair of professionally matched DPA 4060 CORE+ high-sensitivity capsules
Output Interface: 2x Balanced XLR (48V Phantom Power), 1x 3.5mm Stereo (9V Battery)
Dynamic Range: 111 dB
Applications:ASMR Content Creation, Film & Video Sound Design, VR/AR Audio Capture, Ambient Sound Recording, Immersive Podcast Experiences

User Recommendation Analysis (Click to expand)

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✅ Who Should Buy

Professional ASMRtists seeking top-tier realism
VR/Film sound designers needing immersive audio
Field recordists capturing realistic soundscapes
Podcasters creating immersive story-telling shows

⚠️ Who Should NOT Buy

Audio beginners with a limited initial budget
Streamers or singers needing a solo vocal mic

3DIO Free Space Pro II Core Technologies and Features

Studio-Grade DPA 4060 Microphone Capsules:Equipped with two factory-matched DPA 4060 CORE+ high-sensitivity omnidirectional condenser microphones, offering extremely low self-noise, wide dynamic range, and flat frequency response, capable of capturing every detail from the slightest whisper to expansive ambient sounds.
Realistic Human Ear Structure Simulation: The microphone features precisely shaped prosthetic ears (pinnae) that naturally filter and reflect sound waves, creating an incredibly realistic sense of direction and spatiality, allowing listeners to experience an immersive 3D soundscape through headphones.
Dual Output and Power System: Offers professional dual balanced XLR outputs, which can be powered by 48V phantom power via an audio interface or mixer, ensuring optimal sound quality and minimal interference. Also equipped with a 3.5mm stereo output, powered by a built-in 9V battery, convenient for connecting to cameras or portable recorders.
Bass Roll-Off Filter: For the 3.5mm output, a built-in 160 Hz low-cut filter switch effectively filters out low-frequency environmental noise, such as air conditioner hum or wind noise, making vocals and primary sound sources clearer.
Flexible Mounting Options: Standard 5/8" microphone stand adapter at the bottom allows for easy mounting on standard microphone stands. After removing the adapter, the base provides a 1/4"-20 screw hole for direct mounting on camera tripods, hot shoe adapters, or dedicated handles.
Professional Accessory Kit: Each Free Space Pro II unit comes with ahard-shell carrying case, providing excellent protection. Additionally, it includes a 1.5-meter 3.5mm TRS to dual 1/4" TS breakout cable for convenient connection to various devices.

Professional Output and Installation Details

Balanced XLR Professional Output

Provides one 3-Pin XLR balanced output for each left and right channel, which is the standard specification for studio and professional audio-video production.
Supports 48V phantom power, which can be directly supplied by professional audio interfaces, mixers, or preamplifiers, eliminating the need for internal batteries.
Using phantom power provides the best signal-to-noise ratio and dynamic range, making it the preferred connection method for achieving ultimate sound quality.

3.5mm Stereo Output and Battery Power

Features a built-in 3.5mm (1/8") stereo output jack, convenient for direct connection to DSLR cameras, camcorders, or portable recording devices.
This output is powered by an internally installed 9V alkaline battery; a new battery provides over 300 hours of continuous use.
Equipped with a 160Hz bass roll-off switch, which only affects the 3.5mm output, effectively reducing wind noise and ambient low-frequency noise during outdoor recording.

Standardized Mounting Interface

Comes pre-installed with a 5/8"-27 microphone stand adapter, allowing direct mounting on most microphone stands available on the market.
The adapter can be easily removed, revealing a 1/4"-20 standard camera screw hole at the bottom.
Can be mounted on top of a camera with a hot shoe adapter, or directly attached to photography accessories such as tripods, magic arms, or stabilizers.

Technical Specifications (Tech Specs)

Dimensions	190 mm x 110 mm x 110 mm (W x H x D)
Weight	755 g (1.66 lbs)
Output Interface	2x 3-Pin XLR (Balanced), 1x 3.5 mm (1/8") Stereo (Mic Level)
Polar Pattern	Omnidirectional
Microphone Type	Pre-polarized condenser
Frequency Range	20 Hz - 20 kHz (with a soft 3 dB boost in the 8 - 20 kHz range)
Sensitivity (±3 dB at 1 kHz)	20 mV/Pa; -34 dB re. 1 V/Pa
Signal-to-Noise Ratio (S/N Ratio)	71 dB(A) re. 1 kHz at 1 Pa (94 dB SPL)
Dynamic Range	Typical 111 dB
Max SPL	134 dB (Peak)
Output Impedance	30 - 40 Ω
Power Requirements	48V ±4V Phantom Power (XLR) or 9V Alkaline Battery (3.5mm)
Battery Life	300+ hours (when powering 3.5mm output with 9V battery)
Package Contents	Free Space Pro II microphone body, hard-shell carrying case, 1.5m 3.5mm to dual 1/4" breakout cable, 5/8" microphone stand adapter, product manual

3DIO Free Space Pros and Cons

Pros & Notes (Click to expand)

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Pros

Features studio-grade DPA 4060 capsules that deliver exceptionally low noise and a wide dynamic range, capturing everything from subtle whispers to immersive ambient sounds with extreme clarity.
Utilizes a realistic human ear structure simulation to naturally process sound waves, creating a lifelike 3D soundscape with precise directional cues when listening with headphones.
Offers a versatile dual-output system, including professional XLR for 48V phantom-powered studio use and a 9V battery-powered 3.5mm jack for portable recorders and cameras.
Includes a switchable 160 Hz low-cut filter for the 3.5mm output, effectively reducing low-frequency ambient noise like air conditioning or wind for clearer recordings.

Notes to Know

The 3.5mm output requires a 9V battery for operation, while the XLR outputs necessitate a device capable of providing 48V phantom power.
The built-in low-cut filter is only available for the 3.5mm stereo output and does not apply to the XLR outputs.
The immersive 3D binaural effect is designed to be experienced by the end-listener using stereo headphones.

3DIO Free Space FAQ

Q：Can the audio recorded by the 3DIO Free Space Pro II Binaural Microphone be used directly for ASMR videos?

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A：Yes, it is designed to capture immersive 3D soundscapes, delivering realistic ASMR audio without complex post-production, making it the top choice for professional creators.

Q：What are the main differences between the Free Space Pro II and the standard Free Space?

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A：The Pro II upgrades to DPA 4060 microphone capsules, offering lower self-noise and higher sensitivity, resulting in more delicate and pure sound quality.

Q：Does the Free Space Pro II require an additional audio interface to be used?

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A：Yes, it is recommended to connect it via the XLR output to an audio interface or mixer with 48V phantom power to achieve its optimal sound performance.

Q：Is the Free Space Pro II a worthwhile investment for beginner ASMR creators?

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A：If you are pursuing top-tier sound quality and commercial-grade production standards, the Pro II is an excellent investment. Beginners with a limited budget may consider the standard version first.

THINK2 Warranty & Support

Service Highlights

Fast Shipping: In-stock items will be shipped within 24 business hours.
Professional Technical Support: Our certified audio engineers provide consultation for installation, licensing, compatibility, and setup.
Comprehensive Warranty & After-Sales Service: Includes both manufacturer warranty and THINK2 customer support.

※ Shipping times are calculated based on business days. Actual warranty follows the manufacturer’s policy. THINK2 provides integration and support assistance.

Warranty & Return Policy

With valid proof of purchase and product serial number, customers are entitled to manufacturer warranty and THINK2 after-sales service.
DOA / Non-human defects: Within 7 days of purchase, after verification, customers may request return or replacement.
Exclusions: Damages from misuse, unauthorized modification, consumable parts, natural disasters, or improper use beyond instructions.
Application Process: Contact customer service during business hours for return instructions.
Service Coverage: Taiwan region primarily; overseas based on logistics standards.

THINK2 — Authorized Audio Gear Dealer in Taiwan

3DIO Free Space Pro II Binaural 3D ASMR Microphone